/* E-Rechnung Test-Client – bewusst schlicht, ohne Framework/Build-Schritt. */

:root {
  --border: #d0d4da;
  --accent: #1a5fb4;
  --danger: #c01c28;
  --ok: #26a269;
  --bg: #f6f7f9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 14px/1.45 -apple-system, "Segoe UI", system-ui, sans-serif;
  color: #1c1f24;
  background: var(--bg);
}

header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 1.1rem; margin: 0; }
.spacer { flex: 1; }

.layout {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 1rem;
  padding: 1rem;
  max-width: 1280px;
  margin: 0 auto;
}

aside {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem;
  align-self: start;
  position: sticky;
  top: 1rem;
}

.aside-actions { display: flex; gap: 0.4rem; margin-bottom: 0.6rem; }

#dataset-list { list-style: none; margin: 0; padding: 0; max-height: 70vh; overflow-y: auto; }
#dataset-list li.active .dataset { background: #e8f0fb; border-color: var(--accent); }
.dataset {
  display: block; width: 100%; text-align: left; margin-bottom: 0.25rem;
  padding: 0.35rem 0.5rem; border: 1px solid transparent; border-radius: 4px;
  background: none; cursor: pointer;
}
.dataset:hover { background: #eef1f5; }
.dataset small { display: block; color: #6a7180; }

main { min-width: 0; }

.toolbar, .actionbar {
  display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--border); border-radius: 6px;
  padding: 0.6rem; margin-bottom: 1rem;
}
#dataset-name { flex: 1; min-width: 12rem; }

fieldset {
  background: #fff; border: 1px solid var(--border); border-radius: 6px;
  margin: 0 0 1rem; padding: 0.8rem; min-width: 0;
}
legend { font-weight: 600; padding: 0 0.3rem; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.two-col > fieldset { margin-bottom: 1rem; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } .layout { grid-template-columns: 1fr; } aside { position: static; } }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: 0.5rem 0.8rem; }

label { display: block; margin-bottom: 0.4rem; color: #3a4150; }
input, select, textarea {
  display: block; width: 100%; margin-top: 0.15rem;
  padding: 0.3rem 0.4rem; border: 1px solid var(--border); border-radius: 4px;
  font: inherit; background: #fff;
}
textarea { resize: vertical; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 600; padding: 0.25rem 0.3rem; border-bottom: 1px solid var(--border); }
td { padding: 0.25rem 0.3rem; vertical-align: top; }
td input, td select { margin-top: 0; }
td input + input { margin-top: 0.25rem; }

button {
  font: inherit; padding: 0.35rem 0.8rem; border-radius: 4px; cursor: pointer;
  border: 1px solid var(--border); background: #fff;
}
button:hover { background: #eef1f5; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: #15509b; }
button.danger { color: var(--danger); }
button.remove { padding: 0.1rem 0.5rem; color: var(--danger); }
.add-row { margin-top: 0.5rem; }

#status { margin-left: 0.5rem; }
.ok-text { color: var(--ok); }
.error-text { color: var(--danger); }

.errors {
  background: #fdf1f1; border: 1px solid #efc5c5; border-radius: 6px;
  padding: 0.6rem 1rem; margin-bottom: 1rem;
}
.errors h2 { font-size: 1rem; margin: 0 0 0.4rem; color: var(--danger); }
.errors code { background: #f6dcdc; padding: 0 0.3rem; border-radius: 3px; }

.field-error, tr.field-error input, tr.field-error select { border-color: var(--danger); background: #fdf4f4; }

.hint { color: #6a7180; font-size: 12px; margin: 0.3rem 0; }

.selftest-btn { width: 100%; margin-top: 0.6rem; }
.selftest {
  background: #fff; border: 1px solid var(--border); border-radius: 6px;
  padding: 0.6rem 1rem; margin-bottom: 1rem;
}
.selftest h2 { font-size: 1rem; margin: 0 0 0.2rem; }
.selftest p { color: #6a7180; font-size: 12px; margin: 0.2rem 0 0.6rem; }
.selftest td.ok { color: var(--ok); }
.selftest td.warn { color: #b07d00; }
.selftest td.fail { color: var(--danger); font-weight: 600; }
#selftest-summary { font-size: 14px; font-weight: 600; color: #1c1f24; }

.json-panel { margin-bottom: 2rem; }
.json-panel summary { cursor: pointer; padding: 0.4rem 0; }
.json-panel textarea { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }
.json-panel div { display: flex; gap: 0.5rem; margin-top: 0.5rem; }

/* Login */
.login-page { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 2rem; width: min(22rem, 90vw);
}
.login-card h1 { margin-top: 0; font-size: 1.3rem; }
.login-card button { width: 100%; margin-top: 1rem; }